signed with InGaP process technology for improved reliability, a
Darlington configuration is utilized for broadband performance up
to 6 Ghz. The heterojunction increases breakdown voltage and
minimizes leakage current between junctions. Cancellation of
emitter junction non-linearities results in higher suppression of
intermodulation products.
Small Signal Gain vs. Frequency
NGA-186
DC-6000 MHz, Cascadable GaAs
HBT MMIC Amplifier
25
20
15
dB
Product Features
12.0dB Gain, 14.7 dBm P1dB at 1950Mhz
Cascadable 50 ohm: 1.2:1 VSWR
Patented GaAs HBT Technology
Operates from Single Supply
Low Thermal Resistance Package
Unconditionally Stable
Applications
PA Driver Amplifier
Cellular, PCS, GSM, UMTS
IF Amplifier
Wireless Data, Satellite
U nits
dB m
Frequency
850 MHz
1950 MHz
2400 MHz
850 MHz
1950 MHz
2400 MHz
850 MHz
1950 MHz
2400 MHz
D C - 5000 MHz
D C - 5000 MHz
2000 MHz
3.6
45
11.2
Min.
Ty p.
14.6
14.7
14.9
32.9
31.7
31.1
12.4
12.0
11.8
5600
1.2:1
1.2:1
4.0
4.1
50
120
4.6
55
13.6
Max.
10
5
0
0
1
2
3
4
5
6
7
8
Frequency GHz
S y mbol
P
1dB
P arameter
Output P ower at 1dB C ompressi on
OIP
3
Output Thi rd Order Intercept P oi nt
dB m
G
S mall S i gnal Gai n
dB
MHz
-
-
dB
V
mA
°C /W
B andwi dth
D etermi ned by Return Loss (<-10dB )
Input V S WR
Output V S WR
NF
V
D
I
D
R
TH
, j-l
Noi se Fi gure
D evi ce Operati ng Voltage
D evi ce Operati ng C urrent
Thermal Resi stance (juncti on to lead)
Test Conditions:
V
S
= 8 V
R
BIAS
= 75 Ohms
I
D
= 50 mA Typ.
T
L
= 25ºC
OIP
3
Tone Spacing = 1 MHz, Pout per tone = 0 dBm
Z
S
= Z
L
= 50 Ohms
The information provided herein is believed to be reliable at press time. Sirenza Microdevices assumes no responsibility for inaccuracies or omissions. Sirenza Microdevices assumes no responsibility for the use of
this information, and all such information shall be entirely at the users own risk. Prices and specifications are subject to change without notice. No patent rights or licenses to any of the circuits described herein are
implied or granted to any third party. Sirenza Microdevices does not authorize or warrant any Sirenza Microdevices product for use in life-support devices and/or systems. Copyright 2001 Sirenza Microdevices, Inc..
All worldwide rights reserved.
522 Almanor Ave., Sunnyvale, CA 94085
Phone: (800) SMI-MMIC
1
http://www.sirenza.com
EDS-101101 Rev D
Preliminary
Preliminary
NGA-186 DC-6.0 GHz 4.1V GaAs HBT
Key parameters, at typical operating frequencies:
Ty pical
Test Condition
(I
D
= 50mA, unless otherwise noted)
Parameter
25ºC
Unit
500 MHz
Gain
Output IP3
Output P1dB
Input Return Loss
Isolation
850 MHz
Gain
Output IP3
Output P1dB
Input Return Loss
Isolation
1950 MHz
Gain
Output IP3
Output P1dB
Input Return Loss
Isolation
2400 MHz
Gain
Output IP3
Output P1dB
Input Return Loss
Isolation
12.5
32.6
14.7
30.1
16.5
12.4
32.9
14.6
29.9
16.5
12.0
31.7
14.7
27.6
16.4
11.8
31.1
14.9
25.3
16.4
dB
dBm Tone spacing = 1 MHz, Pout per tone = 0dBm
dBm
dB
dB
dB
dBm Tone spacing = 1 MHz, Pout per tone = 0dBm
dBm
dB
dB
dB
dBm Tone spacing = 1 MHz, Pout per tone = 0dBm
dBm
dB
dB
dB
dBm Tone spacing = 1 MHz, Pout per tone = 0dBm
dBm
dB
dB
Absolute Maximum Ratings
Parameter
Max.
Device Current
(I
D
)
Max.
Device
Voltage (V
D
)
Max.
RF Input Pow er
Max.
Junction Temp
. (T
J
)
Operating Temp
. Range (T
L
)
Absolute Limit
1
10
mA
6V
+10 dBm
+150°C
-40°C to +85°C
+150°C
Max.
Storage Temp
.
Operation of this device beyond any one of these limits may
cause permanent damage. For reliable continous operation,
the device voltage and current must not exceed the maximum
operating values specified in the table on page one.
Bias Conditions should also satisfy the follow ing expression:
I
D
V
D
< (T
J
- T
L
) / R
TH
, j-l
522 Almanor Ave., Sunnyvale, CA 94085
Phone: (800) SMI-MMIC
2
http://www.sirenza.com
EDS-101101 Rev D
Preliminary
Preliminary
NGA-186 DC-6.0 GHz 4.1V GaAs HBT
Electrical Specifications at Ta = 25ºC
S21, I
D
=50mA, T=25ºC
S12, I
D
=50mA, T=25ºC
25
20
15
dB
dB
0
-5
-10
-15
-20
-25
-30
-35
10
5
0
0
1
2
3
4
5
6
7
8
Frequency GHz
S11, I
D
=50mA, T=25ºC
0
1
2
3
4
5
6
7
8
Frequency GHz
S22, I
D
=50mA, T=25ºC
0
-5
-10
dB
0
-5
-10
dB
-15
-20
-25
-30
-35
0
1
2
3
4
5
6
7
8
Frequency GHz
-15
-20
-25
-30
-35
0
1
2
3
4
5
6
7
8
Frequency GHz
522 Almanor Ave., Sunnyvale, CA 94085
Phone: (800) SMI-MMIC
3
http://www.sirenza.com
EDS-101101 Rev D
Preliminary
Preliminary
NGA-186 DC-6.0 GHz 4.1V GaAs HBT
Basic Application Circuit
R
BIAS
1 uF
1000
pF
Application Circuit Element Values
Reference
Designator
Frequency (Mhz)
500
850
1950
2400
3500
V
S
C
D
L
C
C
B
C
D
L
C
220 pF
100 pF
68 nH
100 pF
68 pF
33 nH
68 pF
22 pF
22 nH
56 pF
22 pF
18 nH
39 pF
15 pF
15 nH
RF in
C
B
1
4
NGA-186
3
C
B
RF out
2
R ecommended B ias R esistor Values for I
D
=50mA
R
BIAS
=( V
S
-V
D
) / I
D
Supply Voltage(V
S
)
R
BIAS
6V
39
8V
75
10 V
120
12 V
160
V
S
R
BIAS
1 uF
1000 pF
Note: R
BIAS
provi des D C bi as stabi li ty over temperature.
L
C
C
D
C
B
Mounting Instructions
1. Use a large ground pad area under device pins 2
and 4 with many plated through-holes as shown.
2. We recommend 1 or 2 ounce copper. Measurements
for this data sheet were made on a 31 mil thick FR-4
board with 1 ounce copper on both sides.
N1
C
B
Part Identification Marking
The part will be marked with an N1 designator on
the top surface of the package.
3
Pin #
1
Function
RF IN
D escription
RF i nput pi n. Thi s pi n requi res the use
of an external D C blocki ng capaci tor
chosen for the frequency of operati on.
C onnecti on to ground. Use vi a holes
for best performance to reduce lead
i nductance as close to ground leads as
possi ble.
2, 4
GND
4
N1
1
2
3
RF OUT/ RF output and bi as pi n. D C voltage i s
BIAS
present on thi s pi n, therefore a D C
blocki ng capaci tor i s necessary for
proper operati on.
Caution: ESD sensitive
Part Number Ordering Information
Part N umber
NGA-186
R eel Siz e
7"
D ev ices/R eel
1000
Appropriate precautions in handling, packaging and
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